It was about learning to think for yourself, have your own sense of identity, to be who you are regardless of outside circumstances. It's something I'm very familiar with. Note that at 3:10 in that video, someone tells me to "Go to hell!!"
But yeah, it's just supposed to be about being an asshole...sure, whatever.
You know, Pete Townshend and the Sex Pistols were out drinking one night, and they were talking about "we love music, it's a great way to get money and chicks and drugs," and Pete Townshend got pissed off at them, because he felt they'd completely missed the point of what they were doing, and started yelling at them,